В тексте пропущено слово to шесть раз. Вот исправленный текст:
- Join us on a cruise of the Mediterranean Sea to visit some of the most famous sites in the world.
- Fly to Venice meet the cruise liner The Golden Angel.
- Before we leave you'll have a few hours to buy souvenirs from one of Italy's most famous cities.
- We arrive at the port of Piraeus to take a tour of the city.
- We'll walk into town to see the Acropolis and try some wonderful Greek food.